Adaptions and Changes in Pregnancy Flashcards
(23 cards)
Uterus increases in size due to:
Increase in size of myometrium
-hypertrophy(bigger cells)
-hyperplasia(faster growth)
Act of oestradiol and progesterone
Endometrium becomes:
Thickens and becomes decidua
What relaxes the smooth muscle
Progesterone
Which hormone softens elastic ligaments in pelvic bones
Relaxin
Blood volume increases by:
30-40%
Heart size increases by:
12%
Cardiac output increases by:
Due to:
30-50%
Increased plasma volume
Weight of uterus increases from 100g to:
1000g
Colostrum is secreted from:
16 weeks
Tidal volume increases due to:
Increased sub-costal angle
How much cardiac output is delivered to the kidneys per minute?
25%
Increase in tidal volume by term:
40%
How much litres of plasma is filtered every day by an adult and 99% is reabsorbed with result of 1.5L of urine a day?
180L
-amount of urine produced in pregnancy is 25% higher in each 24hrs
Glomerular filtration rate increased by up to:
60%
Chadwick’s sign
Increased blood supply
Blue/lilac colouring of vagina
Osiander’s sign
Pulsation of uterine arteries
Increase in RBC by:
10%
Average weight gain
12.5kg
Approx 25% of non-preg weight
Prevalence
No. of individuals in a population with the target condition
Sensitivity
A screens ability to refer individuals who do have the target condition
Specificity
A screens ability to not refer individuals who do bot have the target condition
False negative
An individual NOT referred for further assessment who DOES have the target condition
False positive
An individual referred for further assessment who does NOT have the target condition